WelshEdit

Alternative formsEdit

EtymologyEdit

Cognate with Cornish das-.

PronunciationEdit

PrefixEdit

dad-

  1. undo, un-, dis-
    dad- + ‎pacio (to pack) → ‎dadbacio (to unpack)
    dad- + ‎gwneud (to do) → ‎dad-wneud (to undo)
    dad- + ‎llwytho (to load) → ‎dadlwytho (to unload)
    Synonym: dat-

Derived termsEdit

MutationEdit

Welsh mutation
radical soft nasal aspirate
dad- ddad- nad- unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

ReferencesEdit

R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “dad-”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies